Title:
LANGUAGE LEARNING DEVICE
Document Type and Number:
Japanese Patent JPS5655981
Kind Code:
A
Inventors:
SADO ICHIROU
Application Number:
JP13089579A
Publication Date:
May 16, 1981
Filing Date:
October 12, 1979
Export Citation:
Assignee:
CANON KK
International Classes:
G09B5/02; G06F17/28; (IPC1-7): G06F15/38; G09B5/02